Freelance
Traveller

The Lab Ship is an area for "pure science" articles that may be
of interest to Traveller referees looking to make
their campaign universes more realistic. Where the author provides examples
of applications of the information, those examples will be included, but
referees should not expect ready-made campaign worlds, societies,
equipment, or the like - just an understandable (hopefully) explanation of
How Things Work, so that campaign development need not suspend too
much disbelief.

Gas Giants(Ken Pick) A detailed description of Gas Giants and some alternative rules for generating them and using them in campaigns.

Gravity and Acceleration(Robert O'Connor) An attempt to cover the effect of varied gravitation, acceleration protection (and its lack) on characters.